Knee surgery stats prompt changes at US hospitals New Hampshire's Dartmouth-Hitchcock Medical Center is changing the way it handles knee replacement surgeries based on the results of a data-sharing project aimed at improving health care quality and lowering costs.

Got faith? Maine the least-religious state in the nationA Gallup tracking survey in 2011 ranked Maine the third least religious state, behind Vermont and New Hampshire. A quarter of Mainers said they were “very religious”; 23 percent did in Vermont and New Hampshire, according to the telephone survey.

Man brings practical experience to teaching motorcycle safety after near-fatal NH wreckOutside a Concord, N.H., theater where Dave Cruz had sung in the opera La Traviata, he tucked his helmet into his black motorcycle's backpack and slid onto its leather seat. It was July 1998. The sky was blue. A day too beautiful to ride with a helmet. Headed for a friend's house, he traveled east on Highway 393, riding in the inside lane at 40 mph. As he approached an intersection, a 19-year-old in the left turn lane abruptly pulled into traffic to turn right. Her white Subaru sedan crossed Cruz's path and they collided.

'Da Vinci Code' author Dan Brown speaks in NHBrown was witty throughout the session in the late 19th century brick theater, and set the tone of the evening with several personal anecdotes from his childhood, which influenced his thoughts on the tense coexistence of science and religion.

MSNBC: Super PACs Having Wide ImpactBut in New Hampshire, one Democratic House candidate, Carol Shea-Porter, who is trying to win back the seat she lost to Republican Rep. Frank Guinta in 2010, does not want Super PACs to air TV ads in her race. She has called on Guinta to agree to a mutual pact to disavow Super PAC spending in their race, along the lines of the one that Republican Sen. Scott Brown of Massachusetts entered into with his Democratic opponent Elizabeth Warren.